Re: BUG: unable to handle kernel paging request in cfb_imageblit

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On Fri, Dec 18, 2020 at 4:26 PM syzbot
<syzbot+dfd0b1c6705301cc4847@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit a49145acfb975d921464b84fe00279f99827d816
> Author: George Kennedy <george.kennedy@xxxxxxxxxx>
> Date:   Tue Jul 7 19:26:03 2020 +0000
>
>     fbmem: add margin check to fb_check_caps()
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1149f30f500000
> start commit:   22fbc037 Merge tag 'for-linus' of git://git.kernel.org/pub..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=4e672827d2ffab1f
> dashboard link: https://syzkaller.appspot.com/bug?extid=dfd0b1c6705301cc4847
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11ba9a5d900000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17cfd4af900000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: fbmem: add margin check to fb_check_caps()
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: fbmem: add margin check to fb_check_caps()
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